Hi Cascafico, I have also a problem with Composer on QGIS 1.8. When I use rasters with transparency along with other layers, some horizontal stripes appear without transparency.
Normally I make the union of MDT with Shaded Relief. To combine the MDT with the Shaded Relief, I use the r.his function, placing the MDT as HUE and Shaded Relief as Intensity, resulting in a set of three rasters corresponding to the three RGB channels. Then I use r.composite to create the final RGB image. Best regards, Pedro Venâncio ________________________________ From: Cascafico Giovanni <[email protected]> To: [email protected] Sent: Monday, March 4, 2013 10:46 AM Subject: [Qgis-user] Composer and transparency Hello valuable list! Qgis composer has a known bug in managing raster layers with transparency. So I need a workaround to merge rgb relief with single band DEM. Is there a pret-a-porter expression for raster calculator? Or I need to convert rgb to hsv before? If so, how? _______________________________________________ Qgis-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-user _______________________________________________ Qgis-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-user
